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Part Number for Suction Filter O-Ring needed


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I was hoping someone could point me in the right direction. I have a TD-20(b) dozer and need to track down a new o-ring for the suction filter canister. I have lost torque converter prime again and hoping it is sucking air due to a bad o-ring when I cleans the suction filter.

I am getting different results for who currently own the International Harvester construction parts. Would anyone have access to a part number for the o-ring for the suction filter canister on a TD-20 dozer?

 

Thanks for anyone that can help. 

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try to identify the shape , flat square etc and the sizes,then you can go to mfg and try to source several

support for that died in 85

,  next is buy $$$ make you own kit  others + cat

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http://wixfilters.com  have O ring dimensions with filter listings...

Is suction filter the Trans . filter ?

O' Reilly Auto parts... can order Wix filters

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Thanks for the reply. It is a square flat head like the one in the picture shown in the link. The suction filter runs the torque converter in the transmission. It was pretty plugged up. The o-ring looks worn also. Trying to get a new one if I can figure it out. 

 

https://www.google.com/search?q=suction+filter+td20+dozer&tbm=isch&ved=2ahUKEwjLvsu7m7HoAhVREc0KHT9cCd8Q2-cCegQIABAA&oq=suction+filter+td20+dozer&gs_l=img.3...9880.17370..17579...1.0..2.546.2781.23j1j1j5-1......0....1..gws-wiz-img.......0i67j0j0i30j0i5i30.Ar1ydbDasB4&ei=X_54XouTN9GitAa_uKX4DQ&bih=632&biw=1273&safe=strict#imgrc=01dRlQtwJBespM&imgdii=lXg7a5s_i9e_-M

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I would love to get you a serial number Dmbess09, but I couldn't find one when I looked for it on Sunday. I was looking for a plate with model and serial number with no luck. Any idea where I could find the serial number on a TD-20 International dozer? 

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I don't know if this will help anyone in the future, but I got my answer from a local guy.  The part number is 354 836 R1 or 346 822 R1 

 

Thanks to all that tried to help.

 

 

 

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Serial number tag on a 20 b should be on the left side of the seat frame kinda below and behind power shift tower if it’s a power shift tractor 

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4 hours ago, tthams said:

I don't know if this will help anyone in the future, but I got my answer from a local guy.  The part number is 354 836 R1 or 346 822 R1 

 

Thanks to all that tried to help.

 

 

 

those # are showing for hyd cyls

https://www.google.com/search?q=354+836+R1&rlz=1C1GGGE_enUS520US570&oq=354+836+R1&aqs=chrome..69i57j69i60.336j0j8&sourceid=chrome&ie=UTF-8

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Sorry this is taking me awhile to check this post. Here is what a neighbor was able to find for me. We have the o-rings ordered and they should be here by Friday. Again I hope it helps someone in the future.

output.jpg

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